AirHint found the following cheapest return flights from Amsterdam (AMS) to Basel (BSL) in September 2026 (see full year).
Return flights
| 01 Sep - 08 Sep | Vueling Airlines | ||
| 01 Sep - 08 Sep | KLM | direct | |
| 11 Sep - 14 Sep | KLM | direct | |
| 10 Sep - 14 Sep | KLM | direct | |
| 10 Sep - 14 Sep | Lufthansa |
Also check the deals for one-way flights from Amsterdam to Basel in September.
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